Ralph (Ralf) Christian Henricksen (1907 in Chicago, IL, United States – 1975 in East Lansing, MI, US) was an American born art educator, watercolorist, painter, and muralist.

The son of Danish immigrant parents, Ralph Henricksen's father was a master craftsman who did decorative work in elegant homes and public buildings.

[1][2] Henricksen did much of his work in Illinois as a painter, where his murals were commissioned by Illinois Arts and Crafts Projects, as part of the Works Progress Administration (WPA) during the 1930s and 1940s.

Murals were also commissioned to him as part of the Treasury Section of Fine Arts at the Stanton (IL) and Monroe (Michigan) Post Offices.

He taught at Michigan State University at East Lansing until his retirement.